胳膊肘朝外拐 gēbozhǒu cháo wài guǎi

gēbozhǒu cháo wài guǎi phrase the elbow turns the wrong way; to favor an outsider instead of someone on one's own side
Domain: Proverb 谚语
Notes: (CC-CEDICT '胳膊肘朝外拐')